Solar System

main.rb

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+require_relative "Planet"
+require_relative "Solar_system"
+
+def main
+  # WAVE 1
+  puts "-------------------------------------------- WAVE 1"
+  mercury = Planet.new("Mercury", "dark grey", 3.28e23,6.94e7, "Not only is Mercury the smallest planet, it is also shrinking!")
+  venus = Planet.new("Venus", "white/blue", 4.87e24, 1.08e8, "Venus is the brightest planet in its solar system.")
+  earth = Planet.new("Earth", "blue/green", 5.972e24, 1.496e8, "Only planet known to support life")
+  mars = Planet.new("Mars", "red/orange", 6.39e23, 2.11e8, "Mars has frozen water.")
+  jupiter = Planet.new("Jupiter", "yellow", 1.90e27, 7.68e8, "Jupiter has 67 moons.")
+  saturn = Planet.new("Saturn", "pale yellow", 1.99e27, 1.49e9,"Saturn's rings are made of ice, dust, and rock." )
+  uranus = Planet.new("Uranus", "blue/green", 8.68e25, 2.96e9, "Uranus hits the coldest temperatures of its solar system.")
+  neptune = Planet.new("Neptune", "blue", 1.02e26, 4.48e9, "Only one spacecraft from earth has flown by Neptune.")
+  pluto = Planet.new("Pluto", "brown", 1.31e22, 5.95e9, "Pluto is only about half the width of the United States.")
+
+  puts mercury.summary
+  puts venus.summary
+  puts earth.summary
+  puts mars.summary
+  puts jupiter.summary
+  puts saturn.summary
+  puts uranus. summary
+  puts neptune.summary
+  puts pluto.summary
+
+
+
+  # WAVE 2
+  puts "-------------------------------------------- WAVE 2"
+  solar_system = Solar_system.new("Sun")
+  solar_system.add_planet(mercury)
+  solar_system.add_planet(venus)
+  solar_system.add_planet(earth)
+  solar_system.add_planet(mars)
+  solar_system.add_planet(jupiter)
+  solar_system.add_planet(saturn)
+  solar_system.add_planet(uranus)
+  solar_system.add_planet(neptune)
+  solar_system.add_planet(pluto)
+
+
+  puts solar_system.list_planets
+
+  puts solar_system.find_planet_by_name("Random Planet")
+  found_planet = solar_system.find_planet_by_name("earth")
+  puts found_planet.summary
+  puts solar_system.find_planet_by_name("eArth")
+
+  # WAVE 3
+  puts "-------------------------------------------- WAVE 3"
+  other_system = Solar_system.new("Estrella")
+  planet_S = Planet.new("Planet S", "pink", 2.17e23, 2.5e15, "Aliens have been spotted on Planet S.")
+  other_system.add_planet(planet_S)
+
+  exit_wanted = false
+  while exit_wanted == false
+    puts "What do you want to do next? Enter: 'list planets', 'planet details', 'add planet', or 'exit'."
+    input = gets.chomp
+    if input.downcase.include?("list")
+      puts other_system.list_planets
+      exit_wanted = false
+    elsif input.downcase.include?("details")
+      puts "Which planet would you like the details on?"
+      which_planet = gets.chomp
+      puts (other_system.find_planet_by_name(which_planet)).summary
+    elsif input.downcase.include?("add")
+      puts "Enter the name of the planet you would like to add."
+      name_new_planet = gets.chomp
+      puts "Enter its color."
+      color = gets.chomp
+      puts "Enter its mass in Kg."
+      mass = gets.chomp
+      puts "Enter its distance from the star in Km."
+      distance = gets.chomp
+      puts "Enter a fun fact about the planet."
+      fun = gets.chomp
+      new_planet = Planet.new(name_new_planet, color, mass, distance, fun)
+      other_system.add_planet(new_planet)
+      puts "#{new_planet}.capitalize has been added to the list."
+    else
+      exit_wanted = true
+      #input.downcase == "exit" ? (exit_wanted = true ) : (exit_wanted = false)
+    end
+  end
+
+
+end
+
+main

planet.rb

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+class Planet
+  attr_reader :name, :color, :mass_kg, :distance_from_sun_km, :fun_fact
+
+  def initialize(name, color, mass_kg, distance_from_sun_km, fun_fact)
+    @name = name
+    @color = color
+    @mass_kg = mass_kg
+    @distance_from_sun_km = distance_from_sun_km
+    @fun_fact = fun_fact
+  end
+
+  def summary
+    return "Planet #{@name} is of color #{@color}, approximately weighs #{@mass_kg} kilograms, and is roughly #{@distance_from_sun_km} kilometers away from the sun. Fun fact: #{@fun_fact}"
+  end
+end
+
+

solar_system.rb

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+class Solar_system
+  attr_reader :star_name, :planets
+
+  def initialize(star_name)
+    @star_name = star_name
+    @planets = []
+  end
+
+  def add_planet(instance_of_planet)
+    @planets << instance_of_planet
+  end
+
+  def list_planets
+    new_array = @planets.map.with_index do |planet, i|
+      " #{i + 1}. #{planet.name}"
+    end
+
+    return "Planets orbiting #{@star_name}:\n#{new_array.join("\n")}"
+  end
+
+  def find_planet_by_name(name_of_planet)
+
+    index_of_desired_instance = @planets.find_index { |instance_of_planet| instance_of_planet.name.downcase == name_of_planet.downcase }
+
+    if index_of_desired_instance != nil
+      return @planets[index_of_desired_instance]
+    else
+
+      return "#{name_of_planet.capitalize} is not a planet of the solar system mentioned."
+
+      return nil
+
+    end
+  end
+
+end